anglecalculator.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.common.math;

import com.esri.adf.web.data.geometry.WebPoint;

public class AngleCalculator {
	static public  double getAngle(WebPoint fPoint, WebPoint sPoint){
		double angle = Math.atan2( sPoint.getX() - fPoint.getX(), sPoint.getY() - fPoint.getY());				
		
		if ( angle < 0 ) {
			angle = 2 * Math.PI + angle;
		}
		
		angle *= (180/Math.PI);
		
		return (angle);
	}	
}